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Finding the Fourth Proportional to 483,590.86, 725,385.74 and 168,047.80

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Solution

The fourth proportional to 483,590.86, 725,385.74 and 168,047.80 is: 252,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,590.86 : 725,385.74 = 168,047.80 : x
  2. Step 2: Convert to fraction form
    483,590.86/725,385.74 = 168,047.80/x
  3. Step 3: Cross multiply
    483,590.86x = 725,385.74 × 168,047.80
  4. Step 4: Simplify right side
    483,590.86x = 121,899,477,758.37
  5. Step 5: Solve for x
    x = 121,899,477,758.37/483,590.86
  6. Step 6: Final answer
    x = 252,071.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.